{"schemaVersion":3,"id":"CVE-2023-40218","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"An issue was discovered in the NPU kernel driver in Samsung Exynos Mobile Processor 9820, 980, 2100, 2200, 1280, and 1380. An integer overflow can bypass detection of error cases via a crafted application.","dates":{"published":"2023-09-12T00:00:00.000Z","modified":"2024-09-26T14:30:28.286Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":3.3,"severity":"low","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":2,"severity":"low","vector":"CVSS:3.1/AC:L/AV:L/A:L/C:N/I:N/PR:H/S:U/UI:R","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":3.3,"severity":"low","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00192,"percentile":0.08346,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.00192},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00192,"percentile":0.08346}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00192,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00192,"percentile":0.08346}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-190","name":"Integer Overflow or Wraparound","description":"The product performs a calculation that can\n         produce an integer overflow or wraparound when the logic\n         assumes that the resulting value will always be larger than\n         the original value. This occurs when an integer value is\n         incremented to a value that is too large to store in the\n         associated representation. When this occurs, the value may\n         become a very small or negative number.","type":"weakness","status":"Stable","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/190.html"}],"affected":[{"vendor":"samsung","product":"exynos_1280_firmware","name":"exynos 1280 firmware","label":"exynos_1280_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/samsung/exynos_1280"},{"vendor":"samsung","product":"exynos_1380_firmware","name":"exynos 1380 firmware","label":"exynos_1380_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/samsung/exynos_1380"},{"vendor":"samsung","product":"exynos_2100_firmware","name":"exynos 2100 firmware","label":"exynos_2100_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/samsung/exynos_2100"},{"vendor":"samsung","product":"exynos_2200_firmware","name":"exynos 2200 firmware","label":"exynos_2200_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/samsung/exynos_2200"},{"vendor":"samsung","product":"exynos_980_firmware","name":"exynos 980 firmware","label":"exynos_980_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/samsung/exynos_980"},{"vendor":"samsung","product":"exynos_9820_firmware","name":"exynos 9820 firmware","label":"exynos_9820_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/samsung/exynos_9820"}],"affectedCount":6,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://semiconductor.samsung.com/support/quality-support/product-security-updates/","label":"semiconductor.samsung.com/support/quality-support/product-security-updates/","hostname":"semiconductor.samsung.com","tags":["Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-09-12T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-26T14:30:28.286Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":13,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T16:02:29.920Z","stale":false,"partial":false}}